linux-kernel - Re: [PATCH] arm64: dts: qcom: msm8916-wingtech-wt88047: Add flash LED

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Date:   Mon, 28 Nov 2022 22:29:47 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Stephan Gerhold <stephan@...hold.net>
Cc:     "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>,
        linux-kernel@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nikita Travkin <nikita@...n.ru>, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        André Apitzsch <git@...tzsch.eu>,
        Pavel Machek <pavel@....cz>
Subject: Re: [PATCH] arm64: dts: qcom: msm8916-wingtech-wt88047: Add flash LED

On 28/11/2022 22:23, Krzysztof Kozlowski wrote:
> On 28/11/2022 19:30, Stephan Gerhold wrote:
>> Hi Krzysztof,
>>
>> On Mon, Nov 28, 2022 at 09:56:47AM +0100, Krzysztof Kozlowski wrote:
>>> On 28/11/2022 06:16, Lin, Meng-Bo wrote:
>>>> WT88047 uses OCP 8110 Flash LED driver. Add it to the device tree.
>>>>
>>>> Signed-off-by: Lin, Meng-Bo <linmengbo0689@...tonmail.com>
>>>> ---
>>>>  .../dts/qcom/msm8916-wingtech-wt88047.dts     | 22 +++++++++++++++++++
>>>>  1 file changed, 22 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/msm8916-wingtech-wt88047.dts b/arch/arm64/boot/dts/qcom/msm8916-wingtech-wt88047.dts
>>>> index 166bed05996f..a87be1d95b14 100644
>>>> --- a/arch/arm64/boot/dts/qcom/msm8916-wingtech-wt88047.dts
>>>> +++ b/arch/arm64/boot/dts/qcom/msm8916-wingtech-wt88047.dts
>>>> @@ -23,6 +23,20 @@ chosen {
>>>>  		stdout-path = "serial0";
>>>>  	};
>>>>  
>>>> +	flash-led-controller {
>>>> +		compatible = "ocs,ocp8110";
>>>
>>> The compatible is not documented. Checkpatch warns about it. You need to
>>> document devices before using them.
>>>
>>
>> Unfortunately Pavel never applied the dt-bindings patch for this - only
>> the driver patch was applied. André already sent a kind reminder [1] and
>> two resends [2, 3] without success. Since it's a documentation-only
>> patch, maybe you could take it through the dt-bindings tree?
>>
> 
> I'll ping Rob. Other way is to resend. You need to keep resending (maybe
> together with DTS in such case) before this can go in.

Applied by Rob:
https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git/commit/?h=for-next&id=876c881f9f416f1a9071a80fb7daefe19c51186e

Best regards,
Krzysztof